Science: Recent submissions

Now showing items 641-660 of 3802

Forecasting foreign exchange rate: Use of FbProphet

Raheem, Fanoon; Iqbal, Nihla (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)

Foreign exchange rate prediction can be considered crucial in today’s world. The exchange rate of a country plays a vital role in its economic growth. The Central Bank of a country holds the authority in managing the ...
Molecular tailoring of donor and acceptor materials of organic solar cells for improvement of their optoelectronic properties

Ansari, M. A.; Hafeez, A.; Mustafa, M.; Wijesundera, R. P.; Malik, M. I. (Materials Science in Semiconductor Processing, 2022)

Improvement in the efficiency of organic solar cell (OSC) is one of the hot topics of the modern-day research. Despite environment friendliness and several other practical advantages, the power conversion efficiency (PCE) ...
Automatic road traffic signs detection and recognition using ‘You Only Look Once’ version 4 (YOLOv4)

Fernando, W. H. D.; Sotheeswaran, S. (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)

Using scenario transformation methodology, we identified four scenarios that indicated a lack of trusted parties to sell harvest has forced smallholder farmers to sell the harvest to brokers who often collect the harvest ...
Technology-enabled online aggregated market for smallholder farmers to obtain enhanced farm-gate prices

Kumarathunga, Malni; Calheiros, Rodrigo; Ginige, Athula (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)

Using scenario transformation methodology, we identified four scenarios that indicated a lack of trusted parties to sell harvest has forced smallholder farmers to sell the harvest to brokers who often collect the harvest ...
Vaccination Coverage for COVID-19 in Sri Lanka: With and Without Age Stratification on Susceptible-Infectious-Recovered Simulation

Attanayake, A.M.C.H. (Journal of Occupational Health and Epidemiology,, 2022)

Background: Vaccination against COVID-19 is as a key solution to interrupt its spread. This study aimed to describe the vaccination coverage required to stop the spread of COVID-19 in Sri Lanka using a mathematical modeling ...
Smart technologies in tourism: a study using systematic review and grounded theory

Nafrees, Abdul Cader Mohamed; Shibly, F. H. A. (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)

Tourism that uses smart technology and practices to boost resource management and sustainability while growing their businesses' overall competitiveness is known as smart tourism. Information and communication technologies ...
Temporal preferential attachment: Predicting new links in temporal social networks

Wickramarachchi, Panchani; Munasinghe, Lankeshwara (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)

Social networks have shown an exponential growth in the recent past. It has estimated that nearly 4 billion people are currently using social networks. The growth of social networks can be explained using different models. ...
Architectural framework for an interactive learning toolkit

Jayasiriwardene, Shakyani; Meedeniya, Dulani (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)

At present, a significant demand has emerged for online educational tools that can be used as replacement for classroom education. Due to the ease of access, the preference of many users is focused on m-learning applications. ...
Autism spectrum disorder diagnosis support model using InceptionV3

Lakmini, Herath; Marasingha, M. A. J. C.; Meedeniya, Dulani; Weerasinghe, Vajira (Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)

Autism spectrum disorder (ASD) is one of the most common neurodevelopment disorders that severely affect patients in performing their day-to-day activities and social interactions. Early and accurate diagnosis can help ...
Suppression and management of Meloidogyne incognita in soil using Trichoderma harzianum NFCF160 and Trichoderma virens Isf-77

Rajakaruna, N.; Undugoda, L.; Kannangara, S.; Abeywickrama, K. (Malaysian Journal of Microbiology, 2022)

Aims: Meloidogyne incognita adversely affects numerous crop plants worldwide. Therefore, the modern world has been moving towards biocontrol methods to prevent nematode attacks. This study was aimed to (i) investigate the ...
Nature and activities of microfungi associated with the decomposition of rice straw in Sri Lanka

Undugoda, Lanka; Kannangara, Sagarika (Asian Journal of Agriculture and Biology, 2022)

Agricultural sustainability through crop residue biodegradation is an eco-friendly method to enrich soil fertility essential to agricultural countries. Rice straw, rich in cellulose, is the primary source of organic matter, ...
Depolymerization of polyaromatic hydrocarbons by Penicillium spp. inhabit the phyllosphere of urban ornamental plants

Dharmasiri, R. B. N.; Undugoda, L. J. S.; Nilmini, A. H. L.; Pathmalal, M. M.; Nugara, N. N. R. N.; Udayanga, D.; Kannangara, S. (Environmental Quality Management, 2022)

A variety of anthropogenic sources release hazardous polyaromatic hydrocarbons (PAHs) into the phyllosphere which is an excellent niche for diverse fungi, and some of them have PAHs degradation capabilities. Therefore, ...
Anti-microbial Nanohybrids Based on Naturally Derived Citric Acid Intercalated Layered Double Hydroxides

Kuruppu, Shashikala; Rathnayake, Upendra; de Silva, Madhavi; Rupasinghe, Thilini; Sandaruwan, Chanaka (Kuruppu et al/ Current Scientia, 2021)

Currently, there is an increased demand for advanced food packages, which can significantly increase the shelf life of food items. In the current context, it is envisaged that nanotechnology has the potential to address ...
Antibacterial Polyketide from Lasiodiplodia theobromae and Pyrenula bahiana on Mangrove Ecosystems in Puttalam Lagoon, Sri Lanka

Paranagama, P.A.; Santhirasegaram, S.; Wickramarachchi, S.R.; Attanayake, R.N.; Weerakoon, G.; Maduranga, K. (Asian Journal of Chemistry, 2022)

Lasiodiplodia theobromae is one of the frequently isolated fast growing endolichenic fungus. This fungus was isolated from the lichen host, Pyrenula bahiana collected from the mangrove ecosystems in Puttlam lagoon and its ...
ANTIOXIDANT ACTIVITY OF PHENOLIC COMPOUNDS IN Dioscorea alata L. (RAJA ALA) TUBER COOKING WATER

Amarasekara, R.; Wickramarachchi, S. R. (ACTA CHEMICA IASI, 2021)

Nutritional compounds in yams may leach out to the cooking water under most traditional domestic cooking methods. Finding alternative uses of these waste waters without discarding, can maximize the usage and importance ...
Lemongrass Oil Containing Chitosan Microcapsules by Ionotropic Gelation

Paragodaarachchi, Y.L.; Wickramarachchi, S.R. (Asian Journal of Chemistry, 2022)

Ionotropic gelation using sodium tripolyphosphate (STPP) as the crosslinker was successfully used to formulate lemongrass oil containing chitosan microcapsules. Formation of oil in aqueous chitosan polymer solution was ...
Antioxidant Capacity and Nutritional Value of Peels and Seeds of Selected Pomegranate (Punica granatum L.) Cultivars from Sri Lanka

Panapitiya, P. D. S. N. H.; Weerasooriya, M. K. B.; Punchipatabendhi, T. I. (The Journal of Agricultural Sciences - Sri Lanka, 2022)

Purpose: Nonedible portion of Pomegranate is reported to be rich with a diverse range of phytochemicals which embrace with health promotive features. Though antioxidant power and nutritive value of fruit juice are well ...
Evaluation of antifungal plant extracts against cereal and legume seed-borne pathogens for effective management

Navoda, H.; Anupama, D.D. (Studies in Fungi, 2022)

Sri Lanka as an agricultural country needs to manage the seed-borne fungal pathogens that have caused infections and diseases that result in significant crop losses and a decline in yield and productivity. Therefore, it ...
Application of fuzzy goal programming model to assess optimal multi crop cultivation planning

Hakmanage, N.M.; Chandrasekara, N.V.; Jayasundara, M. (Agriculture and Natural Resources, 2022)

Importance of the work: Planning for the optimal use of resources in agricultural systems considering uncertainty, with the objective of maximizing profit and production, will improve the social and economic ...
Treatment failure to sodium stibogluconate in cutaneous leishmaniasis: A challenge to infection control and disease elimination

Silva, H.; Liyanage, A.; Deerasinghe, T.; Chandrasekara, V.; Chellappan, K.; Karunaweera, N. D. (PLoS ONE, 2021)

The first-line treatment for Leishmania donovani-induced cutaneous leishmaniasis (CL) in Sri Lanka is intra-lesional sodium stibogluconate (IL-SSG). Antimony failures in leishmaniasis is a challenge both at regional and ...

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